Specifications, Subwoofer parallel-connection, Impedance considerations – Yamaha AX15W User Manual

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ENGLISH

Subwoofer Parallel-connection

The subwoofer AX15W features four input/parallel connectors—two 1/4” phone jacks and two Neutrik NL4MP
connectors. Use either a phone jack or a Neutrik connector to receive input from your sound system/power ampli-
fier. One of the spare connectors can be used to parallel-connect an additional main speaker (keeping in mind the
impedance considerations mentioned below).

Impedance Considerations

When connecting speakers in parallel be sure to check the rated load impedance of the power amplifier. Most power
amplifiers are capable of safely driving speakers with minimum impedance of 8 ohms or 4 ohms. A pair of parallel-
connected 8-ohm speakers have a total impedance of 4 ohms. The AX10/AX12/AX15/AX12M/AX15M are 8-ohm
speakers, and two of these can safely be paralleled on one output. Two or more speakers can be connected in paral-
lel, however, if you are using a power amplifier that can safely drive load impedances of 4 ohms or lower.

Specifications

*

: EIA RS-426

Model

AX10

AX12

AX15

AX12M

AX15M

AX15W

Enclosure

2 way Bass reflex type

Bass reflex type

Speaker Unit

LF

10" cone

12" cone

15" cone

12" cone

15" cone

15" cone

HF

1" VC, Horn-TW

Frequency Response

65Hz-20kHz

60Hz-20kHz

50Hz-200Hz

Power Capacity

NOISE*

125W

150W

200W

150W

200W

250W

PGM

250W

300W

400W

300W

400W

500W

MAX

500W

600W

800W

600W

800W

1000W

Nominal Impedance

8

Sensitivity

96dB SPL (1W, 1m) 97dB SPL (1W, 1m) 98dB SPL (1W, 1m)

97dB (1W, 1m)

98dB SPL (1W, 1m)

97dB (1W, 1m)

Input Connectors

1/4" phone jack

× 1, SPEAKON Neutrik NL4MP × 1

1/4" phone jack

× 2,

SPEAKON Neutrik
NL4MP

× 2

Dimensions (W

×H×D)

385

Ч 538 Ч 297

405

Ч 578 Ч 313

470

Ч 668 Ч 375

578

Ч 405 Ч 325

668

Ч 470 Ч 355

485

Ч 618 Ч 505

Weight

12.5kg

16.5kg

21.5kg

16.5kg

20kg

26.5kg

AX10/AX12/AX15

AX12M/AX15M

AX15W

Unit: mm

Specifications and descriptions in this owner’s manual are for information purposes only. Yamaha Corp.
reserves the right to change or modify products or specifications at any time without prior notice. Since specifi-
cations, equipment or options may not be the same in every locale, please check with your Yamaha dealer.

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