Big Joe Specifications

Model: Big Joe Stereo Power Amp (Version 1.3)

Frequency Response: 6Hz ~ 300kHz, -1dB at 8 ohms

Output: Max. output 8 Vrms (8W at 8 ohms per channel, 12W at 4ohms) High current capacity

Output Resistance: Extra low Zo<0.01 ohms

Power Input: 30VDC 2A max

Inputs: One set RCA

Speaker Output: One Set - Banana Plugs

Size: 11cm/4.3in(L) X 8cm/3.2in(W) X 6cm/2.4in(H)

Weight: 550g / 19.4oz.

Circuit Design: OPA2227 for main amplifier, current boosters NPN/PNP power transistors

Class: Class A amplifier

Output Resistance: Extra low output resistance (Zo - 0.05 ohms),high current capacity

Frequency Response: 6Hz~300Khz ,-1dB at 100 ohms loading, very low noise

Max. output: 6Vrms (with 24 VDC Power Supply)

Headphone Impedance: 8 - 600 Ohms (See headphone matching chart for additional information)

Size: Size: 11cm/4.3in(L) x 8cm/3.2in(W) x 5cm/2.0in(H)

Weight: 500g / 17.6oz

Digital to Analog Burr Brown PCM2702 DAC, 16 Bit 44.1 KHz / 48KHz sampling rates

OP Amplifier OPA2604 (exchangeable, lets you tune to suit your taste)

Circuit Specifics Independent regulators for digital and analog circuits, DC amp uses no coupling capacitors

Frequency Response: 10Hz~25KHz ,-1dB at 600 ohms loading, low noise -99dB(A)

Fubar 2 Specifications

Digital to Analog Burr Brown PCM2702 DAC, 16 Bit 44.1 KHz / 48KHz sampling rates

OP Amplifier OPA2604 (exchangeable, lets you tune to suit your taste)

Circuit Specifics Independent regulators for digital and analog circuits, DC amp uses no coupling capacitors

Frequency Response: 10Hz~25KHz ,-1dB at 600 ohms loading, low noise -99dB(A)

Size: 11cm/4.3in(L) x 8cm/3.2in(W) x 5cm/2.0in(H)

Weight: 300g / 10.6oz

Cute Battery Specifications

Circuit Design: OPA2227 for main amplifier, current boosters NPN/PNP power transistors

Class Class AB / DC amplifier, coupling capacitor less

Output Resistance: Extra low output resistance (Zo - 0.05 ohms),high current capacity

Frequency Response: 6Hz~300Khz ,-1dB at 32 ohms loading, very low noise -110dB (A)

Max. output: 6Vrms external gain control switch

Headphone Impedance: 8 - 600 Ohms (See headphone matching chart for additional information)

Battery Specifications 2 X 9V, 200maH NiMH (Appox.10hours playing time from fully charged)

Size: Size: 11cm/4.3in(L) x 8cm/3.2in(W) x 5cm/2.0in(H).

Weight: 550g / 19.4oz

SUPPLIER Specifications:

Input 110-120Vac Output 24Vdc 500mA (Max)

Highly recommended for the Cute BEYOND, Cute ENCORE, Spitfire DAC, and the Fubar III

Digital to Analog Texas Instruments PCM1793: 24-Bit 192kHz Sampling Advanced Segment Audio Stereo DAC

Audio Data Receiver Cirrus Logic CS8414 – 96 kHz Receiver (Spitfire max sampling rate is 96 KHz.)

OP Amp OPA2604 Exchangeable you can tune to suit your taste

Frequency Response: 10Hz~25Khz ,-1dB at 600 ohms loading, low noise -102dB(A)

Inputs 1 X digital coax, 1 X Toslink optical

Output 1 X RCA

Size: Size: 11cm/4.3in(L) x 8cm/3.2in(W) x 5cm/2.0in(H)

Weight: 300g / 10.6oz

Gain	Switch	Table
1	2	gain
Off	Off	51dB (default)
On	Off	54dB
Off	On	58dB
Off	On	69dB

Tube Buffer: 1 X 5670 (2C51) vacuum tube. DC amp uses no coupling capacitors

Frequency Response: 6Hz~100Khz ,-1dB at 600 ohms loading, low noise

Power Input: 110V / 220V Switchable

Inputs 2 X RCA

Outputs 1 X RCA

Size: Size: 11cm/4.3in(L) x 8cm/3.2in(W) x 10cm/4.0in(H)

Weight: 960g / 33.8oz