Item Condition Descriptions

New
Brand new and factory sealed in the box.
Excellent
Perfect in every way. Indistinguishable from a new product but not factory sealed.
Very Good
Used but with no major damage anywhere. Item works as new and has no visible damage.
Good
Used with 1-2 minor scratches anywhere on the item. Item works as new.
Fair
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Parts Only
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Description:

Cute II BATTERY
Headphone Amplifier
****** choice of red, blue, violet, or gray ********

The Class Leader In Premium, Portable Headphone Amps!

The Cute II BATTERY is a high end headphone amp that compliments any digital front end. Connect it directly to your CD player, laptop, iPod, MP3 player or other portable device and experience detailed, dynamic sound. The Battery Cute can be combined with the Fubar II USB DAC for awesome sound from your PC or Mac. Perfect for Audiophiles on the go, the Battery Cute is powered by rechargeable NiMH batteries for up to 10 hours of listening pleasure on a single charge. It can also be powered by the included 100 - 240Vac auto switching power supply.

Portable and Versatile
The Cute II BATTERY is optimized for a wide range of load impedances, suitable to most headphones from the Etymotic ER4P (27 ohm) to the AKG K240DF (600 ohm). The high bandwidth, extreme low noise design (lower than -110db) yields greater than 105 dB of dynamic range and exceeds the capabilities of the human ear, ensuring it can handle even the most difficult headphones.

Two gain settings, selectable by a convenient rear panel switch, allow for quick and easy optimization for high or low efficiency headphones. To satisfy us tweakers, the Battery Cute features user changeable OPamps and a Shunt/Series type volume control. Other features include Short Circuit and Thermal protection.

The Cute II BATTERY is Built to Last
No cheap plastic here! The Cute II BATTERY is manufactured with a solid aluminum chassis and features an anodized aluminum face plate in you choice of red, blue, violet, or gray. The volume knob is also machined from solid aluminum for a high quality look and feel.
Headphone Matching Table
Headphone Impedance (ohms) Cute Output (mW) Sound Level (dB)
AKG 240DF 600
60 106
Sennheiser HD600 300 120 118
AKG 501/401 120 300 119
AKG K270S 75 480 119
Grado SR60/80 32 320 121

Cute II BATTERY Headphone Amplifier

Cute II BATTERY Internal Cute II BATTERY Rear Panel

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

Additional Features:
Volume control internal switch for Series or Shunt (adjust to suit your taste)

OP amplifiers exchangeable! You can tune the tone to suit your taste

100 - 240Vac 50/60 Hz external auto-switching power supply included

External gain switch make it easy to match low or high impedance headphones

Short circuit and thermal protection

Package includes: Cute II BATTERY Headphone Amp, 100 – 240V Auto-switching power supply, hex key, and user manual.
Cute II BATTERY Headphone Amplifier
Perfect for Audiophiles on the go, the Cute II BATTERY provides up to 10 hours of listening pleasure