20100610180109

Seymour Duncan MAMA BEAR – Digital Acoustic Guitar Preamp

種類 D-TAR系列 前級
販售經銷商

20100610180055  20100611222311 20100611222334

 

多年來，木吉他都藉由拾音器來放大聲音。有一個問題是：即使是最好的木吉他，那豐富且有深度的聲音都被過度簡單化了。利用AGE技術，MAMA BEAR讓你的吉他進入數位領域，中和你的拾音器，恢復琴身自然的共鳴。最優秀的木吉他就是他們自己本身忠實的呈現，唯一的不同是：更加響亮。

 

想法與介面都是很簡單的。這項技術是AGE ，也稱為木吉他模擬(Acousitc Guitar Emulation)。透過Input Source 旋鈕上16個選項，你可以告訴MAMA BEAR該尋找什麼樣的拾音器。有幾種設定是壓電式晶體拾音器、 壓電式薄膜拾音器、需要簡單的選擇設定就好。

 

MAMA BEAR還有另外一顆16位選項的旋鈕，可以讓你選擇你想模擬的吉他類型。包含了小吉他、全尺寸吉他、jumbo、比較特別的甚至像爵士吉他與共振器。32位元處理與最短的延遲時間，能達到最驚人的音色準確性。

MAMA BEAR能讓你的吉他聽起來就像它自己，或者像其他15種樂器。任何一種都讓你的吉他音色栩栩如生。

Feature Benefit
16 Position Input Source Selector. Provides 16 different digital filter choices to neutralize the sound of your pickup so the AGE™ technology can go to work.
16 Position Target Instrument Switch. AGE™ technology provides 16 amazing guitar sounds emulated from 16 amazing guitars, from parlors to super jumbos. Allows you to dial up the guitar that matches your guitar’s body shape, or emulate other shapes.
“Input gain control with red Overload LED." Avoids overload distortion and allows minimization of noise when different pickups are used.
Bypass switch with LED indicator when in bypass mode. Hard-wire bypass to allow comparison of processed versus unprocessed sounds. LED alerts user when in bypass mode.
Output level control. Gain match to next stage for best S/N performance.
Balanced XLR output. For studio use with balanced-input mixing boards.
Hi-Z input stage. Works with Piezo pickups, great stand-alone preamp.
Chassis compatible with Equinox and Solstice. Micro-rack system or two units in full rack mount.
+/- 12 volt supply for analog stages. Outstanding headroom performance.
Wet/Dry Blend Control. Allows “In Between" amounts of processing.
Ground lift switch. For studio use with balanced-input mixing boards.
Phase switch. Allows reduction of feedback
Mute switch. For quiet guitar tuning or elimination of live connection noises.

 

Technical Specifications
Analog Characteristics• Nominal Input Level – -10dBu• Input Impedance – 4.7M Ohm

• Gain, input to output – 15.5dB, bypassed

• Maximum signal level before input stage clipping – 2.0Vrms

• Nominal Output Level*
– Single ended – 0dBu
– XLR Balanced – -20dBu

• Maximum Output Level before clipping**
– Single ended – 7.2Vrms, bypassed; 3.5Vrms through processor
– Balanced XLR – 1Vrms, bypassed; 0.5Vrms through processor

• Noise, 20 Hz to 20 KHz, bypass mode, referenced to input:
– -109 dBv, input shorted
– -97.5 dBv, input open
Digital Characteristics• Microprocessor – 32 bit, 100MHz, floating point, 600MFLOPS• Sample Rate – 44.1KHz

• Latency – 3ms

• A/D Conversion
– 24 bit
– 64x oversampling
– S/(N+D): 94dB
– Dynamic Range, S/N: 108dB

• D/A Conversion
– 24 bit
– 128x oversampling
– 24 bit 8 times digital filter
– Ripple: +/-0.005dB, Attenuation: 75dB
– S/(N+D): 94dB
– Differential outputs
– Dynamic Range: 110dB, A weighted
Power Supply• Power Supply – External wall mounted transformer 16 VAC/560mA• Current Draw – 200mA @ power jack
* Nominal levels measured using pink noise generator set to 250mV rms. Input level control set to produce flickering of overload indicator; output level control set to maximum.
**Maximum output levels in bypass mode measured using 1KHz sine wave. Maximum output levels through processor measured using sine waves of various frequencies from 800Hz to 1.2KHz.
Dimensions• Size
– Width: 8.5” / 216mm
– Depth: 6.25” / 159mm
– Height: 2.72” / 69mm• Weight
– Unit Weight: 2.7 lbs. / 1.2 kg
– Shipping Weight: 4.5 lbs. / 2.1 kg.

 


%d 位部落客按了讚：