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Accutronics Reverb Tank 8EB2C1B

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Description

Springs: 3
Delay Type: medium
Size: short (9 ¼" / 23,5 cm)
Input Impedance: 800 Ohms
Output Impedance: 2575 Ohms
Mounting: Horizontal Open Side Down
Connectors: Input Insulated - Output Grounded
Accutronics by Accu-Bell, Made in Korea

Suitable for these amplifiers Fender® Blues Jr., Deluxe 90, Princeton 65, Stage Series, Acoustasonic Junior, Vaporizer, Ultimate Chorus, Ultra Chorus, Sidekick Keyboard 60, Sidekick Reverb 35, Super 60, Super 112, Frontman 65R, Eighty-Five, Tech 21® Trademark 30, Epiphone® Valve Junior Hot Rod, Vox® AC15CC, AC15C, Peavey® Envoy 110, Ultra 60/120, Backstage, Valveking and similar models.

Documents

Belton Specifications Type 8 und 9 (27.42 KB)

Information about the manufacturer

Herstellerinformationen | Manufacturer Information
Accu-Bell Sound Inc.
Room #1307
Hanlla Sigma Valley
345-90 Gasang-Dong
Geumcheon-Ku, Seoul
Korea
http://www.accutronicsreverb.com/

EU-Wirtschaftsakteur | EU Economic Operator
Tube-Town GmbH, Rumbergring 37, 66969 Lemberg, Germany, info@tube-town.de

Customer reviews (1)

Essential information about customer reviews We do not verify that the published reviews come from such consumers who have actually used or purchased the rated goods or services. All reviews, i.e. positive and negative, are published. No reviews that are unobjective, offensive or unrelated to the product will be published.

Lars K., 08/27/2019

Good replacement for the stock reverb tank in the VOXAC15C1. Much better definition.

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TT 12AT7 / ECC81

Warm and balanced overall sound, paired with high resolution and brilliance, which is why the TT12AT7 achieves the best results in both instrumental and audio/high-end amplifiers.

Features:

Warm and balanced sound
Excellent sound resolution and brilliance
Ideal for instrumental and audio/high-end amplifiers

Hint;
Often, 12AU7 and 12AT7 types are used instead of 12AX7 tubes in order to either reduce the overall power of the amplifier or just take back the overdrive of the preamp. Especially the 12AU7 brings a very large tonal difference compared to a 12AX7, which is usually much greater than when switching from a 12AX7 to 5751 or 12AT7.

When using a 12AU7 in a driver stage that is normally designed for 12AX7, the overall power of the power amp is usually reduced. How big this difference is depends on the amplifier or circuit. For example, a Marshall with a 12AX7 in the phase inverter stage set to volume 5 will then reach the same volume with a 12AU7 set to volume 6 (perceived volume, not measured).

Electrical Characteristics

Heater Voltage (Uf): 6.3V or 12.6V
Heater Current (If): 300mA at 6.3V, 150mA at 12.6V
Anode Voltage (Ua): Maximum 300V
Grid Voltage (Ug1): -2V (typical)
Anode Current (Ia): 10mA (typical)
Anode Power Dissipation: Maximum 2.5W per triode
Anode Resistance (ra): 11kΩ
Amplification Factor (μ): 60
Transconductance (S): 5.5mA/V
Input Capacitance (Cin): 1.6pF
Output Capacitance (Cout): 1.6pF

Mechanical Characteristics

Socket: B9A (Noval)
Number of Pins: 9

Pin Configuration

1 Anode (Triode 1)
2 Grid (Triode 1)
3 Cathode (Triode 1)
4 Heater (f)
5 Heater (f)
6 Anode (Triode 2)
7 Grid (Triode 2)
8 Cathode (Triode 2)
9 Center Heater (f)

Application Notes

Heater Operation: The tube can be operated with either 6.3V or 12.6V, depending on the circuit design.
Grid Resistors: It is recommended to use grid resistors of at least 1MΩ to ensure stable operation.
Coupling Capacitors: Capacitors with low capacitance (typically 0.1µF) are recommended to minimize high frequency disturbances.

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With a soft and detailed sound, as well as sufficient headroom, the TT 12AU7/ECC82 enhances the sound characteristics of any amplifier, whether it's for guitar, bass, or high-end. These tubes deliver a dynamic range, captivating listeners and musician with uncompromising clean sounds and rich overdrive.

Features:

Detailed sound
Ideal for both low and high gain amplifiers

Tip:
Often, 12AU7 and 12AT7 types are used instead of 12AX7 tubes to either reduce the overall power of the amplifier or to just reduce the overloading of the preamp. In comparison to a 12AX7, the 12AU7 brings about a very large sonic difference, typically much greater than switching from 12AX7 to 5751 or 12AT7.

When using a 12AU7 in a driver stage normally designed for 12AX7, the overall power of the power stage is usually reduced. The extent of this difference depends on the amplifier or circuit. For example, a Marshall amplifier with a 12AX7 in the PI stage set at volume 5 will then reach the same volume level with a 12AU7 at volume 6 (perceived volume, not measured).

Electrical Properties

Heater Voltage (Uf): 6.3V or 12.6V
Heater Current (If): 300mA at 6.3V, 150mA at 12.6V
Anode Voltage (Ua): Maximum 300V
Grid Voltage (Ug1): -8.5V (typical)
Anode Current (Ia): 10.5mA (typical)
Anode Dissipation: Maximum 2.75W per triode
Anode Resistance (ra): 7.7kΩ
Amplification Factor (μ): 17
Transconductance (S): 2.2mA/V
Input Capacitance (Cin): 1.6pF
Output Capacitance (Cout): 1.6pF

Mechanical Properties

Socket: B9A (Noval)
Number of Pins: 9

Pin Configuration

1 Anode (Triode 1)
2 Grid (Triode 1)
3 Cathode (Triode 1)
4 Heater (f)
5 Heater (f)
6 Anode (Triode 2)
7 Grid (Triode 2)
8 Cathode (Triode 2)
9 Center Heater (f)

Application Notes

Heater Operation: The tube can be operated at 6.3V or 12.6V, depending on the circuit design.
Grid Resistors: It is recommended to use grid resistors of at least 1MΩ to ensure stable operation.
Coupling Capacitors: Capacitors with low capacitance (typically 0.1µF) are recommended to minimize high-frequency interference.

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Thielle-Small Parameters

Resonant Frequency (Fs): 110.86 Hz
DC Resistance (Re): 6.9 Ohm
Coil Inductance (Le): 8 mH
Mechanical Q (Qms): 17.2304
Electromagnetic Q (Qes): 1.9694
Total Q (Qts): 1.7674
Compliance Equiv. Vol. (Vas): 0.808 cu ft
Mech. Compliance of Susp. (Cms): 119.122 mm/N
BL Product (BL): 6.15 T-M
Diaphragm Mass Inc. Airload (Mms): 17.3021 grams
Surface Area of Cone (Sd): 366.0962 cm squared
Sound Pressure Level (spl): 93.84 db

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This model includes a good old fashioned 1960’s style Alnico magnet assembly for an ultra-quick impulse response. The often-misunderstood magic of Alnico is that it partially and temporarily demagnetizes when you push them hard, applying a simple compression effect that adds a satisfying sense of sweetness that can't be beat.

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10" (250 mm) steel basket diameter
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1" copper voice coil, Kraft paper former
6.8 oz alnico magnet
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Size, Nominal (inch & mm): 10" (250 mm)
RoHS Compliant: Yes
Nominal Impedance (Z) (Ω): 8
Rated Power IEC268-5 (W): 20 Watts
Rated Impedance (Ω): 8
Continuous Power (W): 20
Program Power (W): 40
Frequency Range (Hz): 55 - 6,200
Sensitivity (dB SPL) ¹: 96
Resonant Frequency (Fs) (Hz): 104
DC Resistance (Re) (Ω): 6.3
Voice Coil Inductance (Le) (mH): 0.35
Mechanical Q Factor (Qms): 19.9
Electrical Q Factor (Qes): 1.77
Total Q Factor (Qts): 1.63
Mechanical Resistance (Rms) (kg/s): 0.58
Compliance Equivalent Volume (Vas) (L): 29.6
Suspension Compliance (Cms) (mm/N): 0.1
Surface Area of Diaphragm (Sd) (cm²): 397.6
Moving Mass (Mms) (gm): 17.5
Motor Force Factor (BL) (T•M): 6.4
Efficiency (η₀) (%): 1.83
Efficiency Bandwidth Product (EBP) (Fs/Qes): 58.8
Basket Type: Cold-rolled steel
Terminal Size (mm): 5.2 x 0.5 (Dual lug)
Voice Coil Diameter (mm): 25.4
Voice Coil Wire Material: Copper
Voice Coil Former Material: Kraft paper
Voice Coil Winding Style: Single Layer
Magnet Material: Alnico
Magnet Weight (g): 192.77
Cone Body Material: Paper composite
Cone Surround Material: Paper composite
Dust Cap Material: Felt

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Turn heads with this 8" hempen guitar speaker, the Detroit 820. This model brings out an organic and vintage tweed sound, creating warm and full lows, strong and barky mids, and creamy highs to round out the top end.

The Detroit 820 is the perfect choice for guitarists looking for an upgrade to their blues or rock tone. High sensitivity, a hemp composite cone, a powerful ferrite magnet, dual-lug terminals for easy connectivity, and a sturdy steel basket come together to enhance your style and sound to make you the talk of the town.

American tone guitar speaker

8" (203 mm) steel basket diameter
20 watts, 4 ohm, 94 dB SPL
1" copper voice coil, Kraft paper former
10 oz ferrite magnet
USA-made hemp cone
Size, Nominal (inch & mm): 8" (203 mm)
RoHS Compliant: Yes
Nominal Impedance (Z) (Ω): 4
Rated Power IEC268-5 (W): 20 Watts
Rated Impedance (Ω): 4
Continuous Power (W): 20
Program Power (W): 40
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Resonant Frequency (Fs) (Hz): 139
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Electrical Q Factor (Qes): 4.45
Total Q Factor (Qts): 3.45
Mechanical Resistance (Rms) (kg/s): 0.47
Compliance Equivalent Volume (Vas) (L): 10.92
Suspension Compliance (Cms) (mm/N): 0.16
Surface Area of Diaphragm (Sd) (cm²): 221.67
Moving Mass (Mms) (gm): 8.28
Magnetic Gap Height (mm): 6.0
Coil Winding Height (mm): 6.35
Motor Force Factor (BL) (T•M): 2.36
Efficiency (η₀) (%): 0.64
Efficiency Bandwidth Product (EBP) (Fs/Qes): 31.46
Basket Type: Stamped steel with black powder coat
Terminal Size (mm): 5.2 x 0.5
Voice Coil Wire Material: Copper
Voice Coil Former Material: Nomex
Voice Coil Winding Style: Single Layer
Magnet Material: Ferrite
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Cone Body Material: Hemp
Dust Cap Material: Felt
Spider Material: Cotton
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British tone guitar speaker